Tom Cruises' 'Search and Destory' in Magnolia is one of my favourites. Kurtz in Apocalypse Now, Rutger Hauer in Blade Runner are among them too.
Glengarry Glenn Ross is a good one like you said, in fact whenever Baldwin is allowed to let loose, he nails it. I get annoyed with Fight Club and its mantra, but I can't deny some of that rhetoric is great, even it just reads straight from the page.
Although TV films, Sharpe has some great speeches, one per film that is pretty great.
then of course there is samuel l jackson in pulp fiction
The path of the righteous man is beset on all sides by the inequities of the selfish and the tyranny of evil men. Blessed is he who, in the name of charity and good will, shepherds the weak through the valley of darkness, for he is truly his brother's keeper and the finder of lost children. And I will strike down upon thee with great vengeance and furious anger those who attempt to poison and destroy my brothers. And you will know my name is the Lord when I lay my vengeance upon you.
or
I know what you're thinking. Did he fire six shots or only five? Well, to tell you the truth, in all this excitement, I've kinda lost track myself. But being as this is a .44 Magnum, the most powerful handgun in the world, and would blow your head clean off, you've got to ask yourself one question: 'Do I feel lucky?' Well, do ya punk?
Bill Pullman's speech in ID4 still gives me the shivers:
__________________
All the ways you wish you could be, that's me. I look like you wanna look, I **** like you wanna ****, I am smart, capable, and most importantly, I am free in all the ways that you are not.
"Dont you ever try and ****ing run on us, because i have six little friends and they can all run faster than you"
"Well since you just picked this place out of a hat, my brother is dead, this girls entire ****ing family is dead!
what were they, psycho's?
They look like psycho's? They were vampires, Psycho's do not explode when sunlight hits them, i do not give a **** how crazy they are!"